Patentable/Patents/US-20260236117-A1
US-20260236117-A1

Input Sensing Part and Display Device Including the Same

PublishedAugust 13, 2026
Assigneenot available in USPTO data we have
Technical Abstract

An input sensing part includes a first sensing electrode, a second sensing electrode that crosses the first sensing electrode, a first sensing line electrically connected to the first sensing electrode, a first multi-layer line that is electrically connected to the second sensing electrode and that includes a first line and a second line disposed over the first line, a first single-layer line that extends from one of the first and second lines, and a second single-layer line that is disposed in a different layer from the first single-layer line and electrically connected to the first single-layer line and that has a different line width from the first single-layer line.

Patent Claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

a first sensing electrode; a second sensing electrode crossing the first sensing electrode; a first sensing line electrically connected to the first sensing electrode; a first multi-layer line electrically connected to the second sensing electrode, the first multi-layer line including a first line and a second line disposed over the first line; a first single-layer line extending from either the first line or the second line; and a second single-layer line disposed in a different layer from the first single-layer line and electrically connected to the first single-layer line, a first part extending from the first multi-layer line; and a second part extending by bending from the first part and electrically connected to the second single-layer line, a third part adjacent to the first part; and a fourth part adjacent to the second part, extending by bending from the third part, and having a smaller line width than that of the third part. wherein the first sensing line includes: wherein the first single-layer line includes: . An input sensing part, comprising:

2

claim 1 . The input sensing part of, wherein the second single-layer line has a different line width from that of the first single-layer line.

3

claim 1 . The input sensing part of, wherein the second single-layer line is disposed in a same layer as the first line or the second line that the first single-layer line does not extend from.

4

claim 1 . The input sensing part of, wherein the second single-layer line has a different thickness from that of the first single-layer line.

5

claim 1 a second multi-layer line includes: a third line; and a fourth line that is disposed over the third line, wherein the second single-layer line extends from either the third line or the fourth line, and wherein the first and second multi-layer lines extend in a first direction, and the first and second single-layer lines are bent from the first and second multi-layer lines, respectively, and extend in a second direction crossing the first direction. . The input sensing part of, further comprising:

6

claim 5 . The input sensing part of, wherein the first line is disposed in a same layer as the third line, and the second line is disposed in a same layer as the fourth line.

7

claim 5 . The input sensing part of, wherein the first single-layer line is disposed in a same layer as the third line or the fourth line that the second single-layer line does not extend from.

8

claim 5 a connecting part electrically connecting the first single-layer line to the second single-layer line, a first connecting part extending from the first single-layer line toward the second single-layer line; and a second connecting part extending from the second single-layer line toward the first single-layer line, electrically connected to the first connecting part, and at least partially overlapping the first connecting part. wherein the connecting part includes: . The input sensing part of, further comprising:

9

claim 8 . The input sensing part of, wherein a length of the first single-layer line, defined as a distance between an end of the first multi-layer line and the connecting part, is equal to a length of the second single-layer line, defined as a distance between an end of the second multi-layer line and the connecting part.

10

claim 8 . The input sensing part of, wherein the first connecting part is electrically connected to the second connecting part through a contact hole defined in an insulating layer disposed between the first connecting part and the second connecting part, wherein a first width between one side of the connecting part and the contact hole in the first direction, a second width of the contact hole in the first direction, and a third width between an opposite side of the connecting part and the contact hole in the first direction are equal to one another.

11

claim 10 . The input sensing part of, wherein each of the first, second, and third widths is equal to 3 micrometers.

12

claim 7 . The input sensing part of, wherein each of the second sensing electrode, the first multi-layer line, the second multi-layer line, the first single-layer line, and the second single-layer line is disposed plural, wherein the first and second multi-layer lines are arranged in the second direction, and the first and second single-layer lines are arranged in the first direction, th th th th wherein an hfirst single-layer line extends from a first line of an hfirst multi-layer line, and an hsecond single-layer line extends from a fourth line of an hsecond multi-layer line, and th th th th wherein an (h+1)first single-layer line extends from a second line of an (h+1)first multi-layer line, and an (h+1)second single-layer line extends from a third line of an (h+1)second multi-layer line, wherein h is a positive integer.

13

claim 12 th th th th th th . The input sensing part of, wherein in the second direction, a gap between one side of an hconnecting part and one side of an (h+1)connecting part is equal in size to a gap between one side of a bent portion between the hfirst multi-layer line and the hfirst single-layer line and one side of a bent portion between the (h+1)first multi-layer line and the (h+1)first single-layer line.

14

claim 12 th th th th . The input sensing part of, wherein in the second direction, a gap between one side of an hconnecting part and one side of an (h+1)connecting part is equal in size to a gap between one side of the hsecond multi-layer line and one side of the (h+1)second multi-layer line.

15

claim 12 th th th th th th . The input sensing part of, wherein in the first direction, a first gap between one side of an (h+1)connecting part facing an (h+2)first single-layer line and the (h+2)first single-layer line is equal in size to a second gap between an opposite side of the (h+1)connecting part facing the hsecond single-layer line and the hsecond single-layer line.

16

claim 15 . The input sensing part of, wherein each of the first and second gaps is 3.5 micrometers in length.

17

claim 1 . The input sensing part of, wherein the first part extends from the first multi-layer line in the second direction, and wherein the second part is electrically connected to the second single-layer line and extends in the second direction after being bent from the first part in a diagonal direction crossing the first and second directions.

18

claim 17 . The input sensing part of, wherein the third part extends in the second direction; and the fourth part extends in the second direction after being bent from the third part in the diagonal direction.

19

claim 18 . The input sensing part of, wherein the fourth part has the smaller line width, in the first direction, than that of the third part, in the first direction.

20

a display panel display an image; and an input sensing part disposed on the display panel, a first sensing electrode; a second sensing electrode crossing the first sensing electrode; a first sensing line electrically connected to the first sensing electrode; a first multi-layer line electrically connected to the second sensing electrode, the first multi-layer line including a first line and a second line disposed over the first line; a first single-layer line extending from either the first line or the second line; and a second single-layer line disposed in a different layer from the first single-layer line and electrically connected to the first single-layer line, a first part extending from the first multi-layer line; and a second part extending by bending from the first part and electrically connected to the second single-layer line, a third part adjacent to the first part; and a fourth part adjacent to the second part, extending by bending from the third part, and having a smaller line width than that of the third part. wherein the first sensing line includes: wherein the first single-layer line includes: wherein the input sensing part comprising: . A display device comprising:

Detailed Description

Complete technical specification and implementation details from the patent document.

This application is a Continuation of co-pending U.S. Patent Application Serial No. 18/826,805, filed on September 6, 2024, which is a Continuation of U.S. Patent Application Serial No. 18/058,695, filed on November 23, 2022, which claims priority under 35 U.S.C. § 119 to Korean Patent Application No. 10-2022-0024282, filed on February 24, 2022 in the Korean Intellectual Property Office, the disclosures of which are incorporated by reference herein in their entirety.

The present disclosure relates to a display device and, more specifically, to an input sensing part and a display device including the same.

In general, electronic devices, such as a smart phone, a digital camera, a notebook computer, a car navigation unit, a smart television, and the like, include a display device for displaying an image to a user.

The display device includes a display panel that generates an image and an input sensing part that is disposed on the display panel and that senses an external input such as a touch of a user. The input sensing part includes a plurality of sensing electrodes for sensing the external input and a plurality of sensing lines electrically connected to the sensing electrodes. The sensing electrodes are disposed in an active area of the display device, and the sensing lines are disposed in a non-active area of the display device that is adjacent to the active area.

Drive signals are applied to the sensing electrodes, and changes in capacitances of the sensing electrodes are output as sensing signals. The drive signals and the sensing signals are input and output through the sensing lines.

An input sensing part includes a first sensing electrode. A second sensing electrode crosses the first sensing electrode. A first sensing line is electrically connected to the first sensing electrode. A first multi-layer line is electrically connected to the second sensing electrode. The first multi-layer line includes a first line and a second line disposed over the first line. A first single-layer line extends from the first line or from the second line. A second single-layer line is disposed in a different layer from that of the first single-layer line and is electrically connected to the first single-layer line. The second single-layer line has a different line width from that of the first single-layer line.

th th th th th th An input sensing part includes a plurality of first sensing electrodes. A plurality of second sensing electrodes cross the first sensing electrodes. A plurality of first sensing lines are electrically connected to the first sensing electrodes. A plurality of first multi-layer lines are electrically connected to the second sensing electrodes. The first multi-layer lines extend in a first direction. A plurality of first single-layer lines are bent from the first multi-layer lines and extend in a second direction crossing the first direction. A plurality of second multi-layer lines extend in the first direction. A plurality of second single-layer lines are bent from the second multi-layer lines and extend in the second direction. The second single-layer lines are electrically connected to the first single-layer lines. In the second direction, a gap between one side of a bent portion between an hfirst multi-layer line and an hfirst single-layer line and one side of a bent portion between an (h+1)first multi-layer line and an (h+1)first single-layer line is equal in size to a gap between one side of an hsecond multi-layer line and one side of an (h+1)second multi-layer line, where h is a positive integer.

A display device includes a display panel and an input sensing part disposed on the display panel. The input sensing part includes a first sensing electrode. A second sensing electrode crosses the first sensing electrode. A first sensing line is electrically connected to the first sensing electrode. A first multi-layer line is electrically connected to the second sensing electrode. The first multi-layer line includes a first line and a second line disposed over the first line. A first single-layer line extends from the first line or the second line. A second single-layer line is disposed in a different layer from that of the first single-layer line. The second single-layer line is electrically connected to the first single-layer line and has a different line width from the first single-layer line.

In this specification, when it is mentioned that a component (or, an area, a layer, a part, etc.) is referred to as being “on”, “connected to” or “coupled to” another component, this may mean that the component may be directly on, connected to, or coupled to the other component or a third component may be present therebetween.

Identical reference numerals may refer to identical components throughout the specification and the drawings. Additionally, it is to be understood that in the drawings, the relative thicknesses, proportions, angles, and dimensions of components are intended to be drawn to scale for at least one embodiment of the present disclosure, however, changes may be made to these characteristics within the scope of the present disclosure and the present inventive concept is not necessarily limited to the properties shown.

As used herein, the term “and/or” includes all of one or more combinations defined by related components.

Terms such as first, second, and the like may be used to describe various components, but the components should not necessarily be limited by the terms. The terms may be used for distinguishing one component from other components. For example, without departing the scope of the present disclosure, a first component may be referred to as a second component, and similarly, the second component may also be referred to as the first component. The terms of a singular form may include plural forms unless otherwise specified.

In addition, terms such as “below”, “under”, “above”, and “over” are used to describe a relationship of components illustrated in the drawings. The terms are relative concepts and are described based on directions illustrated in the drawing.

It should be understood that terms such as “comprise”, “include”, and “have”, when used herein, specify the presence of stated features, numbers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings.

1 FIG. is a perspective view of a display device according to an embodiment of the present disclosure.

1 FIG. 1 2 1 Referring to, the display device DD, according to an embodiment of the present disclosure, may have a rectangular shape with a pair of long sides extending in a first direction DRand a pair of short sides extending in a second direction DRcrossing the first direction DR. However, without necessarily being limited thereto, the display device DD may have various shapes such as a circular shape, a polygonal shape, and the like.

1 2 3 3 Hereinafter, a direction substantially perpendicular to a plane defined by the first direction DRand the second direction DRis defined as a third direction DRAs used herein, the expression “when viewed on the plane” or “in a plan view” may mean that it is viewed in the third direction DR.

1 2 The upper surface of the display device DD may be defined as a display surface DS and may have a plane defined by the first direction DRand the second direction DR. Images IM generated by the display device DD may be displayed to a user through the display surface DS. The display device DD may sense a touch of the user’s finger US_F on the display device DD.

The display surface DS may include a display area DA and a non-display area NDA at least partially surrounding the display area DA. The display area DA may display an image, and the non-display area NDA might not display an image. The non-display area NDA may at least partially surround the display area DA and may define the border of the display device DD printed in a particular color.

2 FIG. 1 FIG. is a cross-sectional view of the display device illustrated in.

2 FIG. 1 In, a section of the display device DD viewed in the first direction DRis illustrated.

2 FIG. Referring to, the display device DD may include a display panel DP, an

1 2 input sensing part ISP, an anti-reflection layer RPL, a window WIN, a panel protection film PPF, and first and second adhesive layers ALand AL.

The display panel DP may be a flexible display panel. The display panel DP, according to an embodiment of the present disclosure, may be an emissive display panel, but the present disclosure is not necessarily limited thereto. For example, the display panel DP may be an organic light emitting diode (OLED) display panel or an inorganic light emitting display panel. An emissive layer of the organic light emitting diode display panel may contain an organic light emitting material. An emissive layer of the inorganic light emitting display panel may contain quantum dots, quantum rods, and the like. Hereinafter, it will be exemplified that the display panel DP is an organic light emitting diode display panel.

The input sensing part ISP may be disposed on the display panel DP. The input sensing part ISP may include a plurality of sensing parts for sensing an external input in a capacitive manner. The input sensing part ISP may be directly manufactured on the display panel DP during the manufacture of the display device DD. However, without necessarily being limited thereto, the input sensing part ISP may be manufactured as a panel that is separate from the display panel DP and may later be attached to the display panel DP by an adhesive layer.

The anti-reflection layer RPL may be disposed on the input sensing part ISP. The anti-reflection layer RPL may be directly manufactured on the input sensing part ISP during the manufacture of the display device DD. However, without necessarily being limited thereto, the anti-reflection layer RPL may be manufactured as a separate panel and may later be attached to the input sensing layer ISP by an adhesive layer.

The anti-reflection layer RPL may be defined as a film for preventing reflection of external light. The anti-reflection layer RPL may decrease the reflectivity of external light incident toward the display panel DP from above the display device DD. Due to the anti-reflection layer RPL, the external light might not be visible to the user.

When external light travelling toward the display panel DP is reflected from the display panel DP and reflected back to the user, the user may visually recognize the external light, as would be the case for a mirror. To prevent such a phenomenon, the anti-reflection layer RPL may include a plurality of color filters that display the same colors as pixels of the display panel DP.

External light may be filtered in the same colors as those of the pixels by the color filters. In this case, the external light might not be visible to the user. However, without necessarily being limited thereto, the anti-reflection layer RPL may include a phase retarder and/or a polarizer to decrease the reflectivity of external light.

The window WIN may be disposed over the anti-reflection layer RPL. The window WIN may protect the display panel DP, the input sensing part ISP, and the anti-reflection layer RPL from external scratches and impacts.

The panel protection film PPF may be disposed under the display panel DP. The panel protection film PPF may protect the bottom of the display panel DP. The panel protection film PPF may contain a flexible plastic material such as polyethylene terephthalate (PET).

1 1 2 2 The first adhesive layer ALmay be disposed between the display panel DP and the panel protection film PPF, and the display panel DP and the panel protection film PPF may be bonded to each other by the first adhesive layer AL. The second adhesive layer ALmay be disposed between the window WIN and the anti-reflection layer RPL, and the window WIN and the anti-reflection layer RPL may be bonded to each other by the second adhesive layer AL.

3 FIG. 2 FIG. is a cross-sectional view of the display panel illustrated in.

3 FIG. In, a section of the display panel DP viewed in the first direction DR1 is illustrated.

3 FIG. Referring to, the display panel DP may include a substrate SUB, a circuit element layer DP-CL disposed on the substrate SUB, a display element layer DP-OLED disposed on the circuit element layer DP-CL, and a thin-film encapsulation layer TFE disposed on the display element layer DP-OLED.

The substrate SUB may include a display area DA and a non-display area NDA at least partially surrounding the display area DA. The substrate SUB may contain a flexible material such as glass or a plastic, such as polyimide (PI). The display element layer DP-OLED may be disposed over the display area DA.

A plurality of pixels may be disposed in the circuit element layer DP-CL and the display element layer DP-OLED. Each of the pixels may include transistors disposed in the circuit element layer DP-CL and a light emitting element disposed in the display element layer DP-OLED and electrically connected to the transistors.

The thin-film encapsulation layer TFE may be disposed on the circuit element layer DP-CL and may cover the display element layer DP-OLED. The thin-film encapsulation layer TFE may protect the pixels from moisture, oxygen, and external foreign matter.

4 FIG. 2 FIG. is a plan view of the display panel illustrated in.

4 FIG. Referring to, the display device DD may include the display panel DP, a scan driver SDV, a data driver DDV, and a light emission driver EDV.

1 2 1 2 1 1 The planar area of the display panel DP, in a plan view, may include a first area AA, a second area AA, and a bending area BA between the first area AAand the second area AA. The first area AAmay extend longer in the first direction DRthan in the second direction

2 2 1 DR2. Based on the second direction DR, the lengths of the second area AAand the bending area BA may be smaller than the length of the first area AA.

1 2 The first area AAmay include a display area DA that displays an image and a non-display area NDA that at least partially surrounds the display area DA and does not display an image. The bending area BA and the second area AAmay be defined as the non-display area NDA.

1 1 1 1 2 The display panel DP may include a plurality of pixels PX, a plurality of scan lines SLto SLm, a plurality of data lines DLto DLn, a plurality of light emission lines ELto ELm, first and second control lines CSLand CSL, a power line PL, a plurality of connecting lines CNL, and a plurality of pads PD. Here, “m” and “n” are positive integers.

1 2 2 The pixels PX may be disposed in the display area DA. The scan driver SDV and the light emission driver EDV may be disposed in the non-display areas NDA adjacent to opposite sides of the display panel DP that extend in the first direction DRand face away from each other in the second direction DR. The data driver DDV may be disposed in the second area AA.

1 2 1 1 1 2 1 2 The scan lines SLto SLm may extend in the second direction DRand may be electrically connected to the pixels PX and the scan driver SDV. The data lines DLto DLn may extend in the first direction DRand may be electrically connected to the pixels PX. The data lines DLto DLn may extend to the second area AAvia the bending area BA and may be electrically connected to the data driver DDV. The light emission lines ELto ELm may extend in the second direction DRand may be electrically connected to the pixels PX and the light emission driver EDV.

1 2 The power line PL may extend in the first direction DRand may be disposed between the display area DA and the light emission driver EDV. The power line PL may extend toward the second area AAvia the bending area BA.

2 1 The connecting lines CNL may extend in the second direction DR. The connecting lines CNL may be arranged in the first direction DRand may be electrically connected to the power line PL and the pixels PX. A drive voltage for driving the pixels PX may be applied to the pixels PX through the power line PL and the connecting lines CNL electrically connected with each other.

1 2 2 2 1 2 The first control line CSLmay be electrically connected to the scan driver SDV and may extend toward the second area AAvia the bending area BA. The second control line CSLmay be electrically connected to the light emission driver EDV and may extend toward the second area AAvia the bending area BA. The data driver DDV may be disposed between the first control line CSLand the second control line CSL.

2 2 2 2 The pads PD may be disposed in the second area AAand may be adjacent to one side of the second area AAthat extends in the second direction DR. The pads PD may be closer to the one side of the second area AAthan the data driver DDV.

1 2 1 1 The data driver DDV, the power line PL, the first control line CSL, and the second control line CSLmay be electrically connected to the pads PD. The data lines DLto DLn may be electrically connected to the data driver DDV, and the data driver DDV may be electrically connected to the pads PD corresponding to the data lines DLto DLn.

2 1 2 The bending area BA may be bent such that the second area AAis located under the first area AA. In this case, in a plan view, the second area AAand the data driver DDV might not be visible from the outside.

The display device DD may further include a timing controller for controlling operations of the scan driver SDV, the data driver DDV, and the light emission driver EDV and a

voltage generator for generating the drive voltage. The timing controller and the voltage generator may be electrically connected to the pads PD through a printed circuit board.

1 1 1 The scan driver SDV may generate a plurality of scan signals, and the scan signals may be applied to the pixels PX through the scan lines SLto SLm. The data driver DDV may generate a plurality of data voltages, and the data voltages may be applied to the pixels PX through the data lines DLto DLn. The light emission driver EDV may generate a plurality of light emission signals, and the light emission signals may be applied to the pixels PX through the light emission lines ELto ELm.

The pixels PX may receive the data voltages in response to the scan signals. The pixels PX may display an image by emitting light having luminance corresponding to the data voltages in response to the light emission signals.

5 FIG. 4 FIG. is a cross-sectional view of one of the pixels illustrated in.

5 FIG. Referring to, the pixel PX may include a transistor TR and a light emitting element OLED. The light emitting element OLED may include a first electrode AE (or, an anode), a second electrode CE (or, a cathode), a hole control layer HCL, an electron control layer ECL, and an emissive layer EML.

The transistor TR and the light emitting element OLED may be disposed over the substrate SUB. Although one transistor TR is illustrated, the pixel PX may substantially include a plurality of transistors and at least one capacitor for driving the light emitting element OLED.

The display area DA may include an emissive area LA corresponding to each of the pixels PX and a non-emissive area NLA at least partially surrounding the emissive area LA. The light emitting element OLED may be disposed in the emissive area LA.

A buffer layer BFL may be disposed on the substrate SUB. The buffer layer BFL may be an inorganic layer. A semiconductor pattern may be disposed on the buffer layer BFL. The semiconductor pattern may contain poly silicon, amorphous silicon, or metal oxide.

The semiconductor pattern may be doped with an N-type dopant or a P-type dopant. The semiconductor pattern may include a heavily doped area and a lightly doped area. The heavily doped area may have a higher conductivity than the lightly doped area and may substantially serve as a source electrode and a drain electrode of the transistor TR. The lightly doped area may substantially correspond to an active (or, channel) area of the transistor TR.

1 1 2 3 2 A source S, an active area A, and a drain D of the transistor TR may be formed from the semiconductor pattern. A first insulating layer INSmay be disposed on the semiconductor pattern. A gate G of the transistor TR may be disposed on the first insulating layer INS. A second insulating layer INSmay be disposed on the gate G. A third insulating layer INSmay be disposed on the second insulating layer INS.

1 2 1 3 1 1 3 A connecting electrode CNE may include a first connecting electrode CNEand a second connecting electrode CNEfor connecting the transistor TR and the light emitting element OLED. The first connecting electrode CNEmay be disposed on the third insulating layer INSand may be electrically connected to the drain D through a first contact hole CHdefined in the first to third insulating layers INSto INS.

4 1 5 4 2 5 2 1 2 5 A fourth insulating layer INSmay be disposed on the first connecting electrode CNE. A fifth insulating layer INSmay be disposed on the fourth insulating layer INS. The second connecting electrode CNEmay be disposed on the fifth insulating layer INS. The second connecting electrode CNEmay be electrically connected to the first connecting electrode CNEthrough a second contact hole CHdefined in the fourth and fifth insulating layers INS4 and INS.

6 2 6 1 6 A sixth insulating layer INSmay be disposed on the second connecting electrode CNE. The layers from the buffer layer BFL to the sixth insulating layer INSmay be defined as the circuit element layer DP-CL. The first to sixth insulating layers INSto INSmay be inorganic layers or organic layers.

6 2 3 6 6 The first electrode AE may be disposed on the sixth insulating layer INS. The first electrode AE may be electrically connected to the second connecting electrode CNEthrough a third contact hole CHdefined in the sixth insulating layer INS. A pixel defining film PDL having an opening PX_OP defined therein for exposing a particular portion of the first electrode AE may be disposed on the first electrode AE and the sixth insulating layer INS.

The hole control layer HCL may be disposed on the first electrode AE and the pixel defining film PDL. The hole control layer HCL may include a hole transporting layer and a hole injection layer.

The emissive layer EML may be disposed on the hole control layer HCL. The emissive layer EML may be disposed in an area corresponding to the opening PX_OP. The emissive layer EML may contain an organic material and/or an inorganic material. The emissive layer EML may generate any one of red light, green light, and blue light. Together, the emissive layers EML of the various pixels may generate each of red light, green light, and blue light by the employing of alternating patterns of colors among the various pixels.

The electron control layer ECL may be disposed on the emissive layer EML and the hole control layer HCL. The electron control layer ECL may include an electron transporting layer and an electron injection layer. The hole control layer HCL and the electron control layer ECL may be commonly disposed in the emissive area LA and the non-emissive area NLA.

The second electrode CE may be disposed on the electron control layer ECL. The second electrode CE may be commonly disposed for the pixels PX. The layer having the light emitting element OLED disposed therein may be defined as the display element layer DP-OLED.

1 2 1 3 2 The thin-film encapsulation layer TFE may be disposed on the second electrode CE and may cover the pixel PX. The thin-film encapsulation layer TFE may include a first encapsulation layer ENdisposed on the second electrode CE, a second encapsulation layer ENdisposed on the first encapsulation layer EN, and a third encapsulation layer ENdisposed on the second encapsulation layer EN.

1 3 2 The first and third encapsulation layers ENand ENmay each include an inorganic insulating layer and may protect the pixel PX from moisture/oxygen. The second encapsulation layer ENmay include an organic insulating layer and may protect the pixel PX from foreign matter such as dust particles.

A first voltage may be applied to the first electrode AE through the transistor TR, and a second voltage may be applied to the second electrode CE. Holes and electrons injected into the emissive layer EML may be combined to form excitons, and the light emitting element OLED may emit light as the excitons relax to a ground state.

6 FIG. 2 FIG. is a plan view of the input sensing part illustrated in.

6 FIG. 1 2 1 2 1 2 1 2 Referring to, the input sensing part ISP may include a plurality of sensing electrodes SEand SE, a plurality of sensing lines TXL and RXL, and a plurality of first and second pads PDand PD. The sensing electrodes SEand SE, the sensing lines TXL and RXL, and the first and second pads PDand PDmay be disposed on the thin-film encapsulation layer TFE of the display panel DP.

1 2 1 2 1 2 4 FIG. The planar area of the input sensing part ISP, may include a first area AA, a second area AA, and a bending area BA. The first area AA, the second area AA, and the bending area BA of the input sensing part ISP may correspond to the first area AA, the second area AA, and the bending area BA of the display panel DP illustrated in.

1 2 The first area AAmay include an active area AA and a non-active area NAA at least partially surrounding the active area AA. The active area AA may overlap and correspond to the display area DA, and the non-active area NAA may overlap and correspond to the non-display area NDA. The second area AAand the bending area BA may be defined as the non-active area NAA.

1 2 1 2 1 2 2 1 2 2 2 The sensing electrodes SEand SEmay be disposed in the active area AA, and the first and second pads PDand PDmay be disposed in the non-active area NAA. The first and second pads PDand PDmay be disposed in the second area AA. The first pads PDand the second pads PD, in a plan view, may be adjacent to one side of the second area AAthat extends in the second direction DR.

1 1-1 1-1 1-2 1-2 2 2-1 2-1 2-2 2- The first pads PDmay include a plurality of padsPDand a plurality of padsPD. The second pads PDmay include a plurality of padsPDand a plurality of padsPD2

1-1 1-1 1-2 1-2 1-1 1-1 2-1 2-1 1-2 1-2 2-2 2-2 In a plan view, pads PD may be disposed between the padsPDand the padsPD. The padsPDmay be disposed between the pads PD and the padsPD. The padsPDmay be disposed between the pads PD and the padsPD.

1-1 1-1 2-1 2-1 1-2 1-2 2-2 2-2 In a plan view, the padsPDand the padsPDmay be disposed on the left side of the pads PD. In a plan view, the padsPDand the padsPDmay be disposed on the right side of the pads PD.

1 2 1 2 1 2 The sensing lines TXL and RXL may be electrically connected to the sensing electrodes SEand SE. The sensing lines TXL and RXL may extend to the non-active area NAA and may be electrically connected to the first and second pads PDand PD. A sensing controller for controlling the input sensing part ISP may be electrically connected to the first and second pads PDand PDthrough a printed circuit board.

1 2 1 1 2 2 2 1 2 1 1 The sensing electrodes SEand SEmay include the plurality of first sensing electrodes SEthat extend in the first direction DRand that are arranged in the second direction DRand the plurality of second sensing electrodes SEthat extend in the second direction DRand that are arranged in the first direction DR. The second sensing electrodes SEmay cross the first sensing electrodes SEand may be insulated from the first sensing electrodes SE.

1 2 1 1 2 2 2 2 The sensing lines TXL and RXL may include the plurality of first sensing lines TXL electrically connected to the first sensing electrodes SEand the plurality of second sensing lines RXL electrically connected to the second sensing electrodes SE. The first sensing lines TXL may be electrically connected to first ends of the first sensing electrodes SE. The first ends of the first sensing electrodes SEmay be adjacent to the second area AA. The second sensing lines RXL may be electrically connected to first ends and second ends of the second sensing electrodes SE. The first ends and the second ends of the second sensing electrodes SEmay face away from each other in the second direction DR.

1 2 The first sensing lines TXL may extend to the non-active area NAA and may be electrically connected to the first pads PD. The first sensing lines TXL may extend to the second area AAvia the bending area BA.

2 1 1 2 2 The second sensing lines RXL may extend to the non-active area NAA and may be electrically connected to the second pads PD. The second sensing lines RXL may extend in the first direction DRand may extend to the non-active areas NAA adjacent to opposite sides of the first area AAthat face away from each other in the second direction DR. The second sensing lines RXL may extend to the second area AAvia the bending area BA.

1 2 1 1 1 1 The first sensing lines TXL may include a plurality of first transmitting lines TXand a plurality of second transmitting lines TXL. The first transmitting lines TXLmay be electrically connected to some of the first sensing electrodes SEand the pads 1-1 PD1-1. For example, the first transmitting lines TXLmay be electrically connected to the first ends of the first sensing electrodes SEdisposed on the left side with respect to the center of the active area AA.

2 1 2 1 The second transmitting lines TXLmay be electrically connected to the other first sensing electrodes SEand the pads 1-2 PD1-2. For example, the second transmitting lines TXLmay be electrically connected to the first ends of the first sensing electrodes SEdisposed on the right side with respect to the center of the active area AA.

1 2 1 2 1 1 2 The second sensing lines RXL may include a plurality of first receiving lines RXand a plurality of second receiving lines RXL. The first receiving lines RXLmay be electrically connected to the first ends of the second sensing electrodes SEand the pads 2-1 PD2-1. For example, the first receiving lines RXLmay be disposed in the left non-active area NAA of the first area AA, and the first ends of the second sensing electrodes SEmay be adjacent to the left non-active area NAA.

2 2 2 1 2 The second receiving lines RXLmay be electrically connected to the second ends of the second sensing electrodes SEand the pads 2-2 PD2-2. For example, the second receiving lines RXLmay be disposed in the right non-active area NAA of the first area AA, and the second ends of the second sensing electrodes SEmay be adjacent to the right non-active area NAA.

1 2 1 2 1 2 Drive signals for driving the first and second sensing electrodes SEand SEmay be applied to the first and second sensing electrodes SEand SEthrough the first sensing lines TXL. Sensing signals sensed by the first and second sensing electrodes SEand SEmay be output through the second sensing lines RXL.

1 1 1 1 1 2 2 Each of the first sensing electrodes SEmay include a plurality of first sensing parts SParranged in the first direction DRand a plurality of connecting patterns CP connecting the first sensing parts SP. Each of the connecting patterns CP may extend toward two first sensing parts SPadjacent to each other in the first direction DR1 via two second sensing parts SPadjacent to each other in the second direction DR.

1 1 1 1 1 The connecting pattern CP may be disposed between the two first sensing parts SPadjacent to each other in the first direction DRand may connect the two first sensing parts SP. For example, an insulating layer may be disposed between the connecting patterns CP and the first sensing parts SP, and the connecting patterns CP may be electrically connected to the first sensing parts SPthrough contact holes defined in the insulating layer.

2 2 2 2 2 2 2 2 2 Each of the second sensing electrodes SEmay include a plurality of second sensing parts SParranged in the second direction DRand a plurality of extending patterns EP extending from the second sensing parts SP. In the second sensing electrode SE, the extending patterns EP may be integrally formed with the second sensing parts SP. Each of the extending patterns EP may be disposed between two second sensing parts SPadjacent to each other in the second direction DRand may extend from the two second sensing parts SP.

1 2 1 2 The first sensing parts SPand the second sensing parts SPmay be spaced apart from each other without overlapping each other and may be alternately disposed. Capacitances may be formed by the first sensing parts SPand the second sensing parts SP. In a plan view, the extending patterns EP may be disposed between the connecting patterns CP and might not overlap the connecting patterns CP.

1 2 1 2 The first and second sensing parts SPand SPand the extending patterns EP may be disposed in the same layer. The connecting patterns CP may be disposed in a different layer from the first and second sensing parts SPand SPand the extending patterns EP.

1 1 2 1 2 1 2 1 2 6 9 FIGS.and The first receiving lines RXLof the second sensing lines RXL may include a plurality of first multi-layer lines MT, a plurality of second multi-layer lines MT, a plurality of first single-layer lines SG, and a plurality of second single-layer lines SG. Detailed configurations of the first and second multi-layer lines MTand MTand the first and second single-layer lines SGand SGwill be described below with reference to.

7 FIG. 6 FIG. is an enlarged view of two adjacent first sensing parts and two adjacent second sensing parts illustrated in.

7 FIG. 1 2 1 2 1 1 2 2 Referring to, the first sensing parts SPand the second sensing parts SPmay have a mesh shape. To have a mesh shape, each of the first and second sensing parts SPand SPmay include a plurality of first branches BPextending in a first diagonal direction DDRand a plurality of second branches BPextending in a second diagonal direction DDR.

1 1 2 1 2 2 1 1 2 1 2 1 2 The first diagonal direction DDRmay be defined as a direction crossing the first and second directions DRand DRon the plane defined by the first and second directions DRand DR. The second diagonal direction DDRmay be defined as a direction crossing the first diagonal direction DDRon the plane defined by the first and second directions DRand DR. For example, the first direction DRand the second direction DRmay cross each other at a right angle, and the first diagonal direction DDRand the second diagonal direction DDRmay cross each other at a right angle.

1 1 2 1 2 The first branches BPand the second branches BP2 of each of the first and second sensing parts SPand SPmay cross each other and may be integrally formed with each other so that they are together a single uninterrupted structure. Touch openings TOP having a rhombic shape may be defined by the first branches BPand the second branches BP.

5 FIG. 1 2 1 2 1 2 In a plan view, emissive areas LA may be disposed in the touch openings TOP. Light emitting elements OLED may be disposed in the emissive areas LA. Each of the emissive areas LA may correspond to the emissive area LA illustrated in. The first and second sensing parts SPand SPmay be disposed in a non-emissive area NLA. As the first and second sensing parts SPand SPare disposed in the non-emissive area NLA, light generated from the emissive areas LA may be normally output without being affected by the first and second sensing parts SPand SP.

1 1 1 2 8 FIG. A connecting pattern CP may extend so as not to overlap an extending pattern EP and may connect the first sensing parts SP. The connecting pattern CP may be electrically connected to the first sensing parts SPthrough a plurality of contact holes TC-CH. The structure of the contact holes TC-CH will be described below with reference to. The connecting pattern CP may extend toward the first sensing parts SPvia areas overlapping the second sensing parts SP.

1 2 2 1 2 The extending pattern EP may be disposed between the first sensing parts SPand may extend from the second sensing parts SP. The second sensing parts SPand the extending pattern EP may be integrally formed with each other. The extending pattern EP may have a mesh shape. The extending pattern EP, the first sensing parts SP, and the second sensing parts Pmay be disposed in the same layer and may be formed by being simultaneously subjected to patterning with the same material.

1 2 1 1 2 The connecting pattern CP may include a first extension EXand a second extension EXhaving a shape symmetrical to the first extension EX. The extending pattern EP may be disposed between the first extension EXand the second extension EX.

1 2 1 2 2 1 The first extension EXmay extend via an area overlapping one of the second sensing parts SPand may be electrically connected to the first sensing parts SP. The second extension EXmay extend via an area overlapping the other one of the second sensing parts SPand may be electrically connected to the first sensing parts SP.

1 1 1 2 2 2 Hereinafter, the first sensing parts SPare defined as the upper first sensing part SPand the lower first sensing part SPdepending on the relative positions thereof. Furthermore, the second sensing parts SPare defined as the left second sensing part SPand the right second sensing part SPdepending on the relative positions thereof.

1 2 1 2 1 1 2 1 2 1 Particular portions of the first and second extensions EXand EXadjacent to one side of the first and second extensions EXand EXmay be electrically connected to the lower first sensing part SPthrough the plurality of contact holes TC-CH. Particular portions of the first and second extensions EXand EXadjacent to the opposite side of the first and second extensions EXand EXmay be electrically connected to the upper first sensing part SPthrough the plurality of contact holes TC-CH.

1 1 1 1 2 1 1 3 1 4 2 2 2 1 The first extension EXmay include a first sub-extension EX_and a second sub-extension EX_that extend in the first diagonal direction DDR, a third sub-extension EX_and a fourth sub-extension EX_that extend in the second diagonal direction DDR, a first sub-conductive pattern SCP1 extending in the second diagonal direction DDR, and a second sub-conductive pattern SCPextending in the first diagonal direction DDR.

1 1 1 2 1 1 1 2 1 1 3 1 4 Particular portions of the first and second sub-extensions EX_and EX_adjacent to one side of the first and second sub-extensions EX_and EX_may be electrically connected to the lower first sensing part SPthrough the plurality of contact holes TC-CH. Particular portions of the third and fourth sub-extensions EX_and EX_adjacent to one side

1 3 1 4 1 of the third and fourth sub-extensions EX_and EX_may be electrically connected to the upper first sensing part SPthrough the plurality of contact holes TC-CH.

1 1 1 3 1 2 1 4 1 1 4 2 1 1 2 1 2 1 1 3 An opposite side of the first sub-extension EX_may extend from an opposite side of the third sub-extension EX_, and an opposite side of the second sub-extension EX_may extend from an opposite side of the fourth sub-extension EX_. The first sub-conductive pattern SCPmay extend from the opposite side of the fourth sub-extension EX_in the second diagonal direction DDRand may extend to the first sub-extension EX-. The second sub-conductive pattern SCPmay extend from the opposite side of the second sub-extension EX_in the first diagonal direction DDRand may extend to the third sub-extension EX_.

1 1 1 2 1 3 1 4 1 2 The first sub-extension EX_, the second sub-extension EX_, the third sub-extension EX_, the fourth sub-extension EX_, the first sub-conductive pattern SCP, and the second sub-conductive pattern SCPmay be integrally formed.

1 1 1 2 2 1 2 2 1 1 1 2 2 The first and second sub-extensions EX_and EX_may extend to cross a particular number of second branches BPadjacent to the lower first sensing part SPamong the second branches BP2 of the right second sensing part SP. The first branches BP1 of the right second sensing part SPmight not be disposed in partial areas that overlap the first and second sub-extensions EX_and EX_and the second sub-conductive pattern SCP.

1 3 1 4 1 1 1 2 2 2 1 3 1 4 1 The third and fourth sub-extensions EX_and EX_may extend to cross a particular number of first branches BPadjacent to the upper first sensing part SPamong the first branches BPof the right second sensing part SP. The second branches BPof the right second sensing part SPmight not be disposed in partial areas that overlap the third and fourth sub-extensions EX_and EX_and the first sub-conductive pattern SCP.

2 2 1 2 2 2 3 2 4 3 4 2 The second extension EXmay include a fifth sub-extension EX_and a sixth sub-extension EX2_that extend in the second diagonal direction DDR, a seventh sub-extension EX_and an eighth sub-extension EX_that extend in the first diagonal direction DDR1, a third sub-conductive pattern SCPextending in the first diagonal direction DDR1, and a fourth sub-conductive pattern SCPextending in the second diagonal direction DDR.

2 2 2 1 2 1 2 4 3 4 The left second sensing part SPmay have a structure that is symmetrical to the right second sensing part SP, and the second extension EXmay have a structure that is symmetrical to the first extension EX. Accordingly, the fifth to eighth sub-extensions EX_to EX_and the third and fourth sub-conductive patterns SCPand SCPhave a structure that can be understood in light of the preceding.

8 FIG. 7 FIG. is a cross-sectional view taken along line I-I’ illustrated in.

8 FIG. Referring to, an insulating layer IOL may be disposed on the thin-film encapsulation layer TFE. The insulating layer IOL may include an inorganic insulating layer. At least one insulating layer IOL may be disposed on the thin-film encapsulation layer TFE. For example, two inorganic insulating layers IOL may be sequentially stacked on the thin-film encapsulation layer TFE.

1 1 1 The connecting pattern CP may be disposed on the insulating layer IOL. A first insulating layer TC-ILmay be disposed on the connecting pattern CP and the insulating layer IOL. The first insulating layer TC-ILmay be disposed on the insulating layer IOL and may cover the connecting pattern CP. The first insulating layer TC-ILmay include an inorganic insulating layer or an organic insulating layer.

1 2 1 2 1 1 1 The first sensing parts SPand the second sensing parts SPmay be disposed on the first insulating layer TC-IL. The extending pattern EP integrally formed with the second sensing parts SPmay also be disposed on the first insulating layer TC-IL. The connecting pattern CP may be electrically connected to the first sensing parts SPthrough the plurality of contact holes TC-CH defined in the first insulating layer TC-IL.

1 2 1 1 2 1 1 1 2 2 The sensing parts SPand SPmay be defined as a first conductive pattern CPT. The first and second sensing parts SPand SPmay be formed by the first conductive pattern CPT. The connecting pattern CP connecting the first sensing parts SPamong the first and second sensing parts SPand SPmay be defined as a second conductive pattern CPT.

2 1 2 1 2 1 1 2 2 A second insulating layer TC-ILmay be disposed on the first and second sensing parts SPand SPand the first insulating layer TC-IL. The second insulating layer TC-ILmay be disposed on the first insulating layer TC-ILand may cover the first and second sensing parts SPand SP. The second insulating layer TC-ILmay include an organic insulating layer.

9 FIG. 6 FIG. is an enlarged view of an area AR illustrated in.

9 FIG. 9 FIG. 1 1 1 1 In, some first sensing lines TXL adjacent to the first receiving lines RXLdisposed in the area AR are additionally illustrated. The first sensing lines TXL illustrated inmay be the first transmitting lines TXL. Although four first receiving lines RXLand three first transmitting lines TXLare illustrated, a larger number of lines may be included within the input sensing part ISP.

6 9 FIGS.and 1 1 2 1 2 Referring to, the first receiving lines RXLmay include the plurality of first multi-layer lines MT, the plurality of second multi-layer lines MT, the plurality of first single-layer lines SG, and the plurality of second single-layer lines SG.

2 1 1 2 1 1 The second receiving lines RXLmay be symmetrical with respect to the first receiving lines RXLand may have substantially the same configuration as the first receiving lines RXL. In addition, the second transmitting lines TXLmay be symmetrical with respect to the first transmitting lines TXLand may have substantially the same configuration as the first transmitting lines TXL.

1 2 1 1 2 1 1 1 6 FIG. The first multi-layer lines MTmay be electrically connected to the first ends of the second sensing electrodes SE. The first multi-layer lines MTmay extend in the first direction DRand may be arranged in the second direction DR. As illustrated in, the active area AA may have a rectangular shape. The first multi-layer lines MTmay extend in the first direction DRand thereafter may extend in the first diagonal direction DDRin the corner of the active area AA adjacent to the bending area BA.

1 1 2 1 2 2 1 1 2 The first diagonal direction DDRmay be defined as a direction crossing the first and second directions DRand DRon the plane defined by the first and second directions DRand DR. The second diagonal direction DDRmay be defined as a direction crossing the first diagonal direction DDRon the plane defined by the first and second directions DRand DR.

2 1 2 2 1 2 2 2 2 2 2-1 2-1 2 The second multi-layer lines MTmay be spaced apart from the first multi-layer lined MTin the second direction DR. The second multi-layer lines MTmay extend in the first direction DRand may be arranged in the second direction DR. The second multi-layer lines MTmay extend to the second area AAvia the bending area BA. The second multi-layer lines MTextending to the second area AAmay be electrically connected to the padsPDdisposed in the second area AA.

1 2 1 2 10 16 FIGS.to The first multi-layer lines MTmay have a structure in which at least two lines are stacked. The second multi-layer lines MTmay also have a structure in which at least two lines are stacked. Cross-sectional structures of the first and second multi-layer lines MTand MTwill be described below in detail with reference to some of the cross-sectional views of.

1 1 1 1 1 1 The first single-layer lines SGmay extend from the first multi-layer lines MT. For example, the first single-layer lines SGmay be bent from the first multi-layer lines MT. The first single-layer lines SGmay extend in the second direction DR2 and may be arranged in the first direction DR.

2 2 2 2 2 2 1 The second single-layer lines SGmay extend from the second multi-layer lines MT. For example, the second single-layer lines SGmay be bent from the second multi-layer lines MT. The second single-layer lines SGmay extend in the second direction DRand may be arranged in the first direction DR.

1 1 2 1 1 2 10 16 FIGS.to The first single-layer lines SGmay be alternately disposed in different layers in the first direction DR. The second single-layer lines SGmay be alternately disposed in different layers in the first direction DR. The first single-layer line SGand the second single-layer line SGelectrically connected with each other may be disposed in different layers. This structure will be described below in detail with reference to some of the cross-sectional views of.

1 2 1 1 2 2 1 2 1 2 17 18 FIGS.and The first single-layer lines SGmay be electrically connected to the second single-layer lines SG, respectively. For example, first ends EDof the first single-layer lines SGmay be electrically connected to second ends EDof the second single-layer lines SG, respectively. The first ends EDmay be electrically connected to the second ends EDthrough connecting parts CNP, respectively. The connecting parts CNP may extend from the first ends EDand the second ends ED. Configurations of the connecting parts CNP will be described below in detail with reference to.

1 1 1 2 1 1 1 2 2 1 2 2 2 2 The first single-layer lines SGmay include first parts PTextending from the first multi-layer lines MTand second parts PTextending from the first parts PT. The first parts PTmay be bent from the first multi-layer lines MTand may extend in the second direction DR. The second parts PTmay be bent from the first parts PTtoward the active area AA in the second diagonal direction DDRand may extend in the second direction DR. The second parts PTmay be electrically connected to the second single-layer lines SG.

1 1 2 2 2 1 3 As used herein, a line width may be defined as a numerical value measured in a direction crossing the extension direction of a line. When a line extends in the first direction DR, the line width of the line extending in the first direction DRmay be defined as a numerical value measured in the second direction DR. When a line extends in the second direction DR, the line width of the line extending in the second direction DRmay be defined as a numerical value measured in the first direction DR. Furthermore, in this specification, a thickness may be defined as a numerical value measured in the third direction DR.

1 1 2 2 1 2 1 1 1 2 1 1 2 1 2 The connecting parts CNP may extend substantially from the first ends EDof the first single-layer lines SGand the second ends EDof the second single-layer lines SG. In each of the first single-layer lines SG, the second part PTmay be bent from the first part PTand may be disposed closer to the active area AA than the first part PT. Accordingly, the first ends EDand the second ends EDmay be spaced apart from each other in the first direction DR. In this case, the connecting parts CNP extending from the first ends EDand the second ends EDmay be formed to have a line width greater than the line widths of the first and second single-layer lines SGand SG.

th th 2 1 2 The gap between one side of the hconnecting part CNP and one side of the (h+1)connecting part CNP in the second direction DRmay be defined as a first pitch PTH. One side of each connecting part CNP may be defined as a right end of the connecting part CNP based on the second direction DR.

2 1 1 1 2 th th th th In the second direction DR, the gap between one side BP_h of a bent portion between the hfirst multi-layer line MT1 and the hfirst single-layer line SGand one side BP_h+1 of a bent portion between the (h+1)first multi-layer line MTand the (h+1)first single- layer line SGmay be defined as a second pitch PTH. The sides BP_h and BP_h+1 may be defined on bent portions not facing the active area AA.

th th 2 2 2 3 2 2 1 2 3 The gap between one side of the hsecond multi-layer line MTand one side of the (h+1)second multi-layer line MTin the second direction DRmay be defined as a third pitch PTH. One side of each of the second multi-layer lines MTmay be defined as a right side of the corresponding connecting part CNP based on the second direction DR. The first pitch PTH, the second pitch PTH, and the third pitch PTHmay be substantially the same as one another.

1 2 3 4 1 2 A particular number of first sensing lines TXL adjacent to the first and second single-layer lines SGand SGamong the first sensing lines TXL may each include a third part PTand a fourth part PT. Hereinafter, the structure of the first sensing line TXL closest to the first and second single-layer lines SGand SGwill be described.

3 1 4 2 2 3 3 2 4 2 2 1 4 3 The first sensing line TXL may include the third part PTadjacent to the first part PTand the fourth part PTadjacent to the second part PT. The first sensing line TXL adjacent to the second single-layer lines SGmay also be defined as the third part PT. The third part PTmay extend in the second direction DR. The fourth part PTmay be bent toward the active area AA in the second diagonal direction DDRand thereafter may extend in the second direction DR. In the first direction DR, the fourth part PTmay have a smaller line width than the third part PT.

2 1 2 1 2 1 2 As the second parts PTare bent from the first parts PTtoward the active area AA, the first sensing line TXL may be formed in a bent structure to secure an area for the second parts PT. Although not described in detail, the first sensing line TXL that is the second closest to the first and second single-layer lines SGand SGmay have a structure similar to that of the first sensing line TXL closest to the first and second single-layer lines SGand SG.

10 FIG. 9 FIG. 11 FIG. 9 FIG. is a cross-sectional view taken along line II-II’ illustrated in.is a cross-sectional view taken along line III-III’ illustrated in.

10 FIG. 1 1 2 1 1 1 1 Referring to, each of the first multi-layer lines MTmay include a first line LIand a second line LIdisposed over the first line LI. The first lines LImay be disposed on the insulating layer IOL and may be disposed in the same layer as the above-described connecting patterns CP. The first insulating layer TC-ILmay be disposed on the insulating layer IOL and may cover the first lines LI.

2 1 2 1 2 2 1 2 1 2 The second lines LImay be disposed on the first insulating layer TC-IL. The second lines LImay be disposed in the same layer as the above-described first and second sensing electrodes SEand SE. In a plan view, the second lines LImay overlap the first lines LI, respectively. The second insulating layer TC-ILmay be disposed on the first insulating layer TC-ILand may cover the second lines LI.

1 2 1 2 2 1 2 3 2 1 In a manufacturing process of the lines, the first lines LImight not be formed to be same as the second lines LI. The first lines LImay have a different line width and a different thickness from the second lines LI. For example, in the second direction DR, the line widths of the first lines LImay be greater than the line widths of the second lines LI. In the third direction DR, the thicknesses of the second lines LImay be greater than the thicknesses of the first lines LI.

1 2 1 The first multi-layer lines MTmay be spaced apart from each other in the second direction DR. The area in which the first multi-layer lines MTare disposed may be defined as a first wiring area MAA.

11 FIG. 2 1 1 2 1 1 1 Referring to, the second lines LImay overlap the first lines LI, respectively, and may be electrically connected to the first lines LI, respectively. The second lines LImay be electrically connected to the first lines LIthrough first contact holes CTHdefined in the first insulating layer TC-IL.

12 FIG. 9 FIG. 13 FIG. 9 FIG. is a cross-sectional view taken along line IV-IV’ illustrated in.is a cross-sectional view taken along line V-V’ illustrated in.

12 FIG. 1 1 1 1 1 1 1 1 2 Referring to, the first single-layer lines SGmay be disposed on the insulating layer IOL and the first insulating layer TC-IL. The first single-layer lines SGmay be alternately disposed in different layers in the first direction DR. The first single-layer lines SGdisposed on the insulating layer IOL may have substantially the same structure as the first lines LI. The first single-layer lines SGdisposed on the first insulating layer TC-ILmay have substantially the same structure as the second lines LI.

1 10 FIG. The area in which the first single-layer lines SGare disposed may be defined as a second wiring area SAA. The second wiring area SAA may be smaller than the first wiring area MAA illustrated in. When lines are alternately disposed in a single layer, a non-active area in which the lines are disposed may be reduced, as compared with when the lines are disposed in multiple layers.

6 9 FIGS., 12 Referring to, and, in the non-active area NAA between one side of the active area AA facing the bending area BA and the bending area BA, the first single-layer lines SG1 may be alternately disposed in a single layer, and thus the non-active area NAA may be reduced.

13 FIG. 2 1 2 1 Referring to, the second single-layer lines SGmay be disposed on the insulating layer IOL and the first insulating layer TC-IL. The second single-layer lines SGmay be alternately disposed in different layers in the first direction DR.

2 1 2 1 2 2 1 The second single-layer lines SGdisposed on the insulating layer IOL may have substantially the same structure as the first lines LI. The second single-layer lines SGdisposed on the first insulating layer TC-ILmay have substantially the same structure as the second lines LI. As the second single-layer lines SGare also alternately disposed in a single layer, the non-active area NAA may be reduced as in the case of the first single-layer lines SG.

12 13 FIGS.and 1 2 1 1 2 1 1 2 1 2 2 1 1 Referring to, the order in which the first single-layer lines SGare disposed may be opposite to the order in which the second single-layer lines SGare disposed. For example, the layer on the insulating layer IOL may be defined as a first layer LY, and the layer on the first insulating layer TC-ILmay be defined as a second layer LY. When the first single-layer lines SGare alternately disposed in the first layer LYand the second layer LYin the first direction DR, the second single-layer lines SGmay be alternately disposed in the second layer LYand the first layer LYin the first direction DR.

1 2 1 1 2 2 1 2 1 1 2 2 The line widths of the first and second single-layer lines SGand SGdisposed in the first layer LYmay differ from the line widths of the first and second single-layer lines SGand SGdisposed in the second layer LY. For example, the line widths of the first and second single-layer lines SGand SGdisposed in the first layer LYmay be greater than the line widths of the first and second single-layer lines SGand SGdisposed in the second layer LY.

1 2 2 1 2 1 1 2 2 1 2 1 The thicknesses of the first and second single-layer lines SGand SGdisposed in the second layer LYmay differ from the thicknesses of the first and second single-layer lines SGand SGdisposed in the first layer LY. For example, the thicknesses of the first and second single-layer lines SGand SGdisposed in the second layer LYmay be greater than the thicknesses of the first and second single-layer lines SGand SGdisposed in the first layer LY.

1 The first sensing lines TXL may include lines that overlap each other and that are disposed in multiple layers. The first sensing lines TXL may have a structure substantially similar to the structure of the first multi-layer lines MT.

14 FIG. 9 FIG. is a cross-sectional view taken along line VI-VI’ illustrated in.

14 FIG. 2 3 4 3 3 4 1 4 3 Referring to, each of the second multi-layer lines MTmay include a third line LIand a fourth line LIdisposed over the third line LI. The third lines LImay be disposed on the insulating layer IOL, and the fourth lines LImay be disposed on the first insulating layer TC-IL. In a plan view, the fourth lines LImay overlap the third lines LI, respectively.

3 4 1 2 1 3 4 3 4 3 The third lines LImay be disposed in the same layer as the above-described connecting patterns CP, and the fourth lines LImay be disposed in the same layer as the above-described first and second sensing electrodes SEand SE. In the first direction DR, the line widths of the third lines LImay be greater than the line widths of the fourth lines LI, and in the third direction DR, the thicknesses of the fourth lines LImay be greater than the thicknesses of the third lines LI.

3 4 1 2 4 3 1 15 16 FIGS.and The third lines LIand the fourth lines LImay be electrically connected in the same way as the first and second lines LIand LI. For example, the fourth lines LImay be electrically connected to the third lines LIthrough contact holes (illustrated in) that are defined in the first insulating layer TC-IL.

10 14 FIGS.and 1 3 2 4 1 3 2 4 Referring to, the first and third lines LIand LImay be disposed in the same layer. The second and fourth lines LIand LImay be disposed in the same layer. The first and third lines LIand LImay have substantially the same structure. The second and fourth lines LIand LImay have substantially the same structure.

15 FIG. 9 FIG. 16 FIG. 9 FIG. is a cross-sectional view taken along line VII-VII’ illustrated in.is a cross-sectional view taken along line VIII-VIII’ illustrated in.

1 2 1 2 1 2 1 2 15 FIG. th th th th Hereinafter, the first single-layer line SG, the second single-layer line SG, the first multi-layer line MT, and the second multi-layer line MTillustrated inmay be defined as the hfirst single-layer line SG_h, the hsecond single-layer line SG_h, the hfirst multi-layer line MT_h, and the hsecond multi-layer line MT_h.

1 2 1 2 1 2 1 2 1 2 1 2 1 1 2 16 FIG. th th th th th th The first single-layer line SG, the second single-layer line SG, the first multi-layer line MT, and the second multi-layer line MTillustrated inmay be defined as the (h+1)first single-layer line SG_h+1, the (h+1)second single-layer line SG_h+1, the (h+1)first multi-layer line MT_h+1, and the (h+1)second multi-layer line MT_h+1. The hlines SG_h, SG_h, MT_h, and MT_h and the (h+1)lines SG_h+1, SG2_h+1, MT_h+1, and MT_h+1 may be adjacent to each other.

15 16 FIGS.and 1 1 2 1 1 1 2 1 th th th th Referring to, each of the first single-layer lines SGmay extend from one of the first and second lines LIand LI. For example, the hfirst single-layer line SG_h may extend from the first line LI1 of the hfirst multi-layer line MT_h. For example, the (h+1)first single-layer line SG_h+1 may extend from the second line LIof the (h+1)first multi-layer line MT_h+1.

2 1 2 1 2 2 1 2 1 1 th th th th Each of the second single-layer lines SGmay be disposed in a different layer from the first single-layer line SG. Each of the second single-layer lines SGmay be disposed in the same layer as the other one of the first and second lines LIand LI. For example, the hsecond single-layer line SG_h may be disposed in the same layer as the second line LI2 of the hfirst multi-layer line MT_h. The (h+1)second single-layer line SG_h+1 may be disposed in the same layer as the first line LIof the (h+1)first multi-layer line MT_h+1.

th th th th 1 2 1 2 12 13 FIGS.and As the hfirst single-layer line SG_h and the hsecond single-layer line SG_h are disposed in different layers, the hfirst single-layer line SG_h and the hsecond single-layer line SG_h may have different widths and thicknesses as illustrated in.

th th th th 1 2 1 2 12 13 FIGS.and As the (h+1)first single-layer line SG_h+1 and the (h+1)second single-layer line SG_h+1 are disposed in different layers, the (h+1)first single-layer line SG_h+1 and the (h+1)second single-layer line SG_h+1 may have different widths and thicknesses as illustrated in.

12 13 15 16 FIGS.,,, and th th th th 1 2 1 2 2 Referring to, when the hfirst single-layer line SG_h has a greater line width and a smaller thickness, the hsecond single-layer line SG_h may have a smaller line width and a greater thickness. When the (h+1)first single-layer line SG_h+1 has a smaller line width and a greater width, the (h+1)second single-layer line SG_h+1 may have a greater line width and a smaller thickness. Accordingly, the line widths and thicknesses of the first single-layer lines SG1 and the second single-layer lines SGmay have a complementary relationship.

15 16 FIGS.and 4 3 2 1 3 4 2 4 2 2 3 2 th th th th Referring to, the fourth lines LImay be electrically connected to the third lines LIthrough second contact holes CTHdefined in the first insulating layer TC-IL. Each of the second single-layer lines SG2 may extend from one of the third and fourth lines LIand LI. For example, the hsecond single-layer line SG_h may extend from the fourth line LIof the hsecond multi-layer line MT_h. The (h+1)second single-layer line SG_h+1 may extend from the third line LIof the (h+1)second multi-layer line MT_h+1.

1 3 4 1 3 2 1 4 2 th th th th The first single-layer line SGmay be disposed in the same layer as the other one of the third and fourth lines LIand LI. For example, the hfirst single-layer line SG_h may be disposed in the same layer as the third line LIof the hsecond multi-layer line MT_h. The (h+1)first single-layer line SG_h+1 may be disposed in the same layer as the fourth line LIof the (h+1)second multi-layer line MT_h+1.

2 1 2 1 1 1 2 The second single-layer lines SGmay be electrically connected to the first single-layer lines SG, respectively. The second single-layer lines SGmay be electrically connected to the first single-layer lines SGthrough contact holes CTH defined in the first insulating layer TC-IL. The first single-layer lines SGmay be electrically connected to the second single-layer lines SGby the connecting parts CNP, respectively.

1 2 1 1 2 2 2 1 Each of the connecting parts CNP may include a first connecting part CNPand a second connecting part CNP. The first connecting part CNPmay extend from a corresponding one of the first single-layer lines SGtoward a corresponding one of the second single-layer lines SG. The second connecting part CNPmay extend from a corresponding one of the second single-layer lines SGtoward a corresponding one of the first single-layer lines SG.

1 2 1 2 1 1 2 The first connecting parts CNPmay overlap the second connecting parts CNP, respectively. The first connecting parts CNPmay be electrically connected to the second connecting parts CNPthrough the contact holes CTH defined in the first insulating layer TC-ILdisposed between the first connecting parts CNPand the second connecting parts CNP.

1 1 1 1 2 1 1 1 1 th th 15 FIG. 16 FIG. The first lengths Lof the first single-layer lines SGmay be defined as the distances between ends of the first multi-layer lines MTand the connecting parts CNP. The ends of the first multi-layer lines MTmay be defined as starting points at which a single layer starts to extend from a multi-layer. For example, the end of the second line LIof the hfirst multi-layer line MT_h illustrated inand the end of the first line LIof the (h+1)first multi-layer line MT_h+1 illustrated inmay be defined as the ends of the first multi-layer lines MT.

2 2 2 2 3 2 4 2 2 1 2 th th 15 FIG. 16 FIG. The second lengths Lof the second single-layer lines SGmay be defined as the distances between ends of the second multi-layer lines MTand the connecting parts CNP. The ends of the second multi-layer lines MTmay be defined as starting points at which a single layer starts to extend from a multi-layer. For example, the end of the third line LIof the hsecond multi-layer line MT_h illustrated inand the end of the fourth line LIof the (h+1)second multi-layer line MT_h+1 illustrated inmay be defined as the ends of the second multi-layer lines MT. The first lengths Land the second lengths Lmay be substantially the same as each other.

2 1 2 2 1 1 2 1 1 2 12 FIG. When the second single-layer lines SGare not used, the first single-layer lines SGmay extend in the second direction DRand may be electrically connected to the second multi-layer lines MT. As illustrated in, the first single-layer lines SGmay have different thicknesses and line widths in the first and second layers LYand LY. In this case, the first single-layer line SGdisposed in the first layer LYand the first single-layer line SG1 disposed in the second layer LYmay have different resistance values. Accordingly, resistance deviations of the second sensing lines RXL may be increased.

1 2 1 2 In an embodiment of the present disclosure, the first single-layer line SGand the second single-layer line SGdisposed in different layers may have the same length and may be electrically connected with each other. In addition, as described above, the line widths and the thicknesses of the first single-layer lines SGand the second single-layer lines SGmay have a complementary relationship.

th th th th 1 2 1 2 15 FIG. 16 FIG. In this case, the resistance value formed by the hfirst single-layer line SG_h and the hsecond single-layer line SG_h that are electrically connected with each other inmay be substantially the same as the resistance value formed by the (h+1)first single-layer line SG_h+1 and the (h+1)second single-layer line SG_h+1 that are electrically connected with each other in. Accordingly, the resistance deviations of the second sensing lines RXL may be decreased.

9 FIG. 2 3 1 2 3 1 2 3 As described above with reference to, in an embodiment of the present disclosure, the first, second, and third pitches PTH1, PTH, and PTHmay be equal to one another. The resistance deviations of the second sensing lines RXL may be smaller when the first, second, and third pitches PTH, PTH, and PTHare equal to one another than when the first, second, and third pitches PTH, PTH, and PTHdiffer from one another.

2 1 2 2 As an example of the structure in which the second sensing lines RXL extending in the second direction DRare divided into two, the structure of the first single-layer lines SGand the second single-layer lines SGhas been described. However, the present disclosure is not necessarily limited thereto, and the second sensing lines RXL extending in the second direction DRmay be divided into various even numbers.

2 1 2 For example, the second sensing lines RXL extending in the second direction DRmay be divided into four and may be formed of first to fourth single-layer lines sequentially electrically connected. The first and third single-layer lines may have the same structure as the above-described first single-layer lines SG, and the second and fourth single-layer lines may have the same structure as the above-described second single-layer lines SG.

17 FIG. 9 FIG. 18 FIG. 17 FIG. is an enlarged view of one of the connecting parts illustrated in.is a cross-sectional view taken along line IX-IX’ illustrated in.

17 FIG. 17 FIG. In, the third connecting part CNP from the top among the connecting parts CNP is illustrated. However, the other connecting parts CNP may have the same structure as the connecting part CNP illustrated in.

17 FIG. 1 2 1 2 th th Hereinafter, the connecting part CNP illustrated inand the first and second single-layer lines SGand SGelectrically connected to the connecting part CNP are defined as the (h+1)connecting part CNP_h+1 and the (h+1)first and second single-layer lines SG_h+1 and SG_h+1.

17 18 FIGS.and th th th th th 1 1 2 2 1 2 Referring to, the (h+1)connecting part CNP_h+1 may include a first connecting part CNPextending from the (h+1)first single-layer line SG_h+1 and a second connecting part CNPextending from the (h+1)second single-layer line SG_h+1. The (h+1)connecting part CNP_h+1 may be defined as a portion where the first and second connecting parts CNPand CNPoverlap each other. For example, the (h+1)connecting part CNP_h+1 may have a parallelogram shape.

th th th 1 1 2 3 1 The width between one side of the (h+1)connecting part CNP_h+1 and the contact hole CTH in the first direction DRmay be defined as a first width W. The width of the contact hole CTH in the first direction DR1 may be defined as a second width W. The width between an opposite side of the (h+1)connecting part CNP_h+1 and the contact hole CTH in the first direction DR1 may be defined as a third width W. The one side and the opposite side of the (h+1)connecting part CNP_h+1 may extend in the second direction DR2 and may face away from each other in the first direction DR.

1 2 3 1 2 3 1 2 3 The first width W, the second width W, and the third width Wmay be equal to one another. The sum of the first width W, the second width W, and the third width Wmay be set to 9 micrometers (μm) to 10 micrometers (μm). The first width W, the second width W, and the third width Wmay preferably be set to 3 micrometers (μm).

1 1 1 1 1 2 2 2 th th th th th th In the first direction DR, the gap between the one side of the (h+1)connecting part CNP_h+1 facing the (h+2)first single-layer line SG_h+2 and the (h+2)first single-layer line SG_h+2 may be defined as a first gap GP. In the first direction DR, the gap between the opposite side of the (h+1)connecting part CNP_h+1 facing the hsecond single-layer line SG_h and the hsecond single-layer line SG_h may be defined as a second gap GP.

1 2 1 2 1 2 The first gap GPand the second gap GPmay be equal to each other in size. The first gap GPand the second gap GPmay be set to 3.5 micrometers (μm) to 4 micrometers (μm). The first gap GPand the second gap GPmay preferably be set to 3.5 micrometers (μm).

1 2 1 2 1 2 1 2 th th th th th th th th When the first gap GPand the second gap GPare less than 3.5 micrometers (μm), the one side of the (h+1)connecting part CNP_h+1 and the (h+2)first single-layer line SG_h+2 may be more likely to be electrically shorted (i.e., short circuited) to each other, and the opposite side of the (h+1)connecting part CNP_h+1 and the hsecond single-layer line SG_h may be more likely to be electrically shorted to each other. When the first gap GPand the second gap GPare 3.5 micrometers (μm) or more, the one side of the (h+1)connecting part CNP_h+1 and the (h+2)first single-layer line SG_h+2 may be less likely to be electrically shorted to each other, and the opposite side of the (h+1)connecting part CNP_h+1 and the hsecond single-layer line SG_h may be less likely to be electrically shorted to each other.

19 FIG. 6 FIG. 20 FIG. 6 FIG. 1 1 2 2 is a cross-sectional view taken along line A-A’ illustrated in.is a cross-sectional view taken along line A-A’ illustrated in.

19 20 FIGS.and 1 4 5 6 Referring to, the first to fourth insulating layers INSto INSmay extend to the non-display area NDA. The fifth insulating layer INSand the sixth insulating layer INSmay extend to a particular portion of the non-display area NDA. The pixel defining film PDL may be disposed on a portion of the non-display area NDA that is adjacent to the display area DA.

1 2 1 2 1 4 FIG. A plurality of line patterns LIN may be disposed in the non-display area NDA. The line patterns LIN may be disposed on the first insulating layer INS, and the second insulating layer INSmay be disposed on the line patterns LIN. The line patterns LIN may form the first and second control lines CSLand CSLand the data lines DLto DLn illustrated in.

1 3 2 5 2 A first conductive pattern SDmay be disposed on the third insulating layer INS, and a second conductive pattern SDmay be disposed on the fifth insulating layer INS. The first and second conductive patterns SDb and SDmay be electrically connected with the power line.

1 2 1 2 5 1 2 1 1 2 2 1 A first dam DAMand a second dam DAMspaced apart from each other may be disposed in the non-display area NDA. The first and second dams DAMand DAMmay be disposed on the fifth insulating layer INS. The first dam DAMmay be adjacent to the display area DA, and the second dam DAMmay be spaced farther away from the display area DA than the first dam DAM. Each of the first and second dams DAMand DAMmay include a plurality of layers stacked one above another. For example, the height of the second dam DAMmay be greater than the height of the first dam DAM.

1 1 2 2 2 1 3 1 2 The first encapsulation layer ENdisposed on the pixel PX may extend toward the non-display area NDA and may be disposed on the first and second dams DAMand DAM. The second encapsulation layer ENmay be disposed on the non-display area NDA adjacent to the display area DA. The second encapsulation layer ENmay be disposed on the first dam DAM. The third encapsulation layer ENmay be disposed on the first encapsulation layer ENand may cover the second encapsulation layer EN.

2 1 2 1 The second encapsulation layer ENmay be formed by curing an organic material having fluidity. The organic material having fluidity may be blocked by the first dam DAMeven though flowing toward the non-display area NDA. The second dam DAMmay additionally block the organic material flowing over the first dam DAM.

1 1 1 1 The first single-layer lines SG, the first sensing lines TXL, and the first sensing part SPmay be disposed over the thin-film encapsulation layer TFE. The first single-layer lines SGmay start to be disposed from above the first dam DAM.

12 19 FIGS.and 1 1 2 1 Referring to, the first single-layer lines SGmay start to be alternately disposed in the first layer LYand the second layer LYfrom above the first dam DAM. The first sensing lines TXL may include multi-layer lines overlapping each other.

13 20 FIGS.and 1 2 2 1 1 Referring to, in contrast to the first single-layer lines SG, the second single-layer lines SGmay start to be alternately disposed in the second layer LYand the first layer LYfrom above the first dam DAM.

th th According to the embodiments of the present disclosure, the single-layer lines may be alternately disposed in a single layer in a portion of the non-active area, and thus the non-active area may be reduced. Furthermore, the lengths of the first single-layer lines and the second single-layer lines electrically connected with each other may be set to be the same as each other, and thus resistance deviations between the hfirst and second single-layer lines electrically connected with each other and the (h+1)first and second single-layer lines electrically connected with each other may be decreased.

In addition, the gaps between the sides of the connecting parts, the gaps between the sides of the bent portions between the first multi-layer lines and the first single-layer lines, and the gaps between the sides of the second multi-layer lines may be set to be the same as one another, and thus resistance deviations in the second sensing lines may be further decreased.

While the present disclosure has been described with reference to embodiments thereof, it will be apparent to those of ordinary skill in the art that various changes and modifications may be made thereto without departing from the spirit and scope of the present disclosure.

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Filing Date

January 26, 2026

Publication Date

August 13, 2026

Inventors

YERI JEONG
IL-JOO KIM
WONJUN CHOI

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INPUT SENSING PART AND DISPLAY DEVICE INCLUDING THE SAME — YERI JEONG | Patentable